Answer: bacterial species of the genera Staphylococcus, Streptococcus, Enterococcus, Klebsiella, Enterobacter, and Neisseria.
Explanation:
The name of the process that needs energy (adenosine triphosphate, or atp) for nutrients that were digested to be absorbed through the small intestinal wall into the bloodstream or lymphatic system is called active transport. This process involves the movement of particles in a membrane from a lower concentration to a higher concentration with the aid of an external source like energy or enzymes.
The right answer is vein (it contains blood and has valves).
The infra-cardiac veins of small and medium caliber possess this system of fight against gravity. The valves consist of a dense connective tissue, surmounted by endothelial cells, corresponding to a fold of the intima. They allow blood circulation in the sense organ / heart but prevent venous reflux.